A waxy, water-repellent substance occurring in the cuticle of plants and consisting of highly polymerized esters of fatty acids.
- They oxidize diverse substrates such as membrane sterols, lignin, and cutin as well as hormones.
- The cuticle of terrestrial vascular plants and some bryophytes consists mainly of two hydrophobic components, the biopolymer cutin and a mixture of lipids, which are usually called ‘waxes’.
- Cell walls resistant to acid digestion were considered to contain cutin.
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